Information determining method and apparatus, electronic device, and computer readable storage medium

Abstract

An information determining method includes: receiving synchronization block groups in an information transmission frequency band; determining a first frequency sub-band where a first synchronization block group is located, and determining first frequency-domain distribution information and first time-domain distribution information; determining a second frequency sub-band where a control resource set is located, calculating number of frequency sub-bands between the second frequency sub-band and the first frequency sub-band, and calculating a frequency-domain offset of a second synchronization block group in the second frequency sub-band relative to the first synchronization block group according to the number and the bandwidths of the frequency sub-bands; determining second frequency-domain distribution information of the second synchronization block group according to the offset and the first frequency-domain distribution information; determining the control resource set, and determining remaining key information according to control information in the control resource set.

The invention claimed is: 
     
       1. An information determining method, comprising:
 receiving synchronization block groups in a frequency band in which information is transmitted, wherein the frequency band comprises a plurality of frequency sub-bands having a same width, each of the frequency sub-bands respectively corresponds to one synchronization block group, a time domain distribution of each synchronization block group is the same, and differences of frequencies corresponding to synchronization block groups in adjacent frequency sub-bands are the same; 
 determining, when a first synchronization block group is received, according to indication information in the first synchronization block group, a first frequency sub-band in which the first synchronization block group is located, and determining first frequency domain distribution information and first time domain distribution information of the first synchronization block group in the first frequency sub-band; 
 determining a second frequency sub-band in which a control resource set is located; 
 calculating a number of frequency sub-bands between the second frequency sub-band and the first frequency sub-band; 
 calculating, according to the number and a width of the frequency sub-bands, a quantity of frequency domain offset of a second synchronization block group in the second frequency sub-band relative to the first synchronization block group; 
 determining, according to the offset and the first frequency domain distribution information, second frequency domain distribution information of the second synchronization block group; 
 determining, according to the second frequency domain distribution information, the first time domain distribution information, and a preset time domain relationship and a preset frequency domain relationship between the second synchronization block group and the control resource set, frequency domain distribution information and time domain distribution information of the control resource set; 
 determining the control resource set according to the frequency domain distribution information of the control resource set and the time domain distribution information of the control resource set; and 
 determining remaining key information according to control information in the control resource set. 
 
     
     
       2. The method according to  claim 1 , wherein the first synchronization block group carries a physical broadcast channel;
 wherein the physical broadcast channel carries the indication information. 
 
     
     
       3. The method according to  claim 1 , wherein the first synchronization block group carries a demodulation reference signal;
 wherein an orthogonal scrambling code of the demodulation reference signal is the indication information. 
 
     
     
       4. The method according to  claim 1 , wherein the determining the first frequency domain distribution information and the first time domain distribution information of the first synchronization block group in the first frequency sub-band comprises:
 determining, according to the indication information, the first frequency domain distribution information and the first time domain distribution information of the first synchronization block group in the first frequency sub-band. 
 
     
     
       5. The method according to  claim 1 , wherein the determining the first frequency domain distribution information and the first time domain distribution information of the first synchronization block group in the first frequency sub-band comprises:
 determining, according to first pre-stored information, the first frequency domain distribution information and the first time domain distribution information of the first synchronization block group in the first frequency sub-band. 
 
     
     
       6. The method according to  claim 1 , wherein the determining the second frequency sub-band in which the control resource set is located comprises:
 determining, according to the indication information, the second frequency sub-band in which the control resource set is located. 
 
     
     
       7. The method according to  claim 1 , wherein the determining the second frequency sub-band in which the control resource set is located comprises:
 determining, according to second pre-stored information, the second frequency sub-band in which the control resource set is located. 
 
     
     
       8. The method according to  claim 2 , wherein the determining the first frequency domain distribution information and the first time domain distribution information of the first synchronization block group in the first frequency sub-band comprises:
 determining, according to the indication information, the first frequency domain distribution information and the first time domain distribution information of the first synchronization block group in the first frequency sub-band. 
 
     
     
       9. The method according to  claim 3 , wherein the determining the first frequency domain distribution information and the first time domain distribution information of the first synchronization block group in the first frequency sub-band comprises:
 determining, according to the indication information, the first frequency domain distribution information and the first time domain distribution information of the first synchronization block group in the first frequency sub-band. 
 
     
     
       10. The method according to  claim 2 , wherein the determining the first frequency domain distribution information and the first time domain distribution information of the first synchronization block group in the first frequency sub-band comprises:
 determining, according to first pre-stored information, the first frequency domain distribution information and the first time domain distribution information of the first synchronization block group in the first frequency sub-band. 
 
     
     
       11. The method according to  claim 3 , wherein the determining the first frequency domain distribution information and the first time domain distribution information of the first synchronization block group in the first frequency sub-band comprises:
 determining, according to first pre-stored information, the first frequency domain distribution information and the first time domain distribution information of the first synchronization block group in the first frequency sub-band. 
 
     
     
       12. The method according to  claim 2 , wherein the determining the second frequency sub-band in which the control resource set is located comprises:
 determining, according to the indication information, the second frequency sub-band in which the control resource set is located. 
 
     
     
       13. The method according to  claim 3 , wherein the determining the second frequency sub-band in which the control resource set is located comprises:
 determining, according to the indication information, the second frequency sub-band in which the control resource set is located. 
 
     
     
       14. The method according to  claim 2 , wherein the determining the second frequency sub-band in which the control resource set is located comprises:
 determining, according to second pre-stored information, the second frequency sub-band in which the control resource set is located. 
 
     
     
       15. A communication system implementing the method according to  claim 1 , comprising a 5G base station and user equipment (UE), wherein
 the UE is configured to determine, after receiving a synchronization block group in any frequency sub-band, remaining key information according to the synchronization block group, without accepting a synchronization block group in an entire frequency band, so as to determine the remaining key information more quickly; and 
 only one control resource set is set in the entire frequency band, and time domain distribution information of the control resource set and the frequency domain distribution information of the control resource set are determined according to a time domain relationship and a frequency domain relationship of the received synchronization block group and a control resource set, without specifically indicating time domain distribution information and frequency domain distribution information of the control resource set by the indication information, so as to reduce bits occupied by the indication information. 
 
     
     
       16. An electronic device, comprising:
 a processor; and 
 a memory configured to store instructions executable by the processor, 
 wherein the processor is configured to: 
 receive synchronization block groups in a frequency band in which information is transmitted, wherein the frequency band comprises a plurality of frequency sub-bands having a same width, each of the frequency sub-bands respectively corresponds to one synchronization block group, a time domain distribution of each synchronization block group is the same, and differences of frequencies corresponding to synchronization block groups in adjacent frequency sub-bands are the same; 
 determine, when a first synchronization block group is received, according to indication information in the first synchronization block group, a first frequency sub-band in which the first synchronization block group is located, and determine first frequency domain distribution information and first time domain distribution information of the first synchronization block group in the first frequency sub-band; 
 determine a second frequency sub-band in which a control resource set is located; 
 calculate a number of frequency sub-bands between the second frequency sub-band and the first frequency sub-band; 
 calculate, according to the number and a width of the frequency sub-band, a quantity of frequency domain offset of a second synchronization block group in the second frequency sub-band relative to the first synchronization block group; 
 determine according to the offset and the first frequency domain distribution information, second frequency domain distribution information of the second synchronization block group; 
 determine, according to the second frequency domain distribution information, the first time domain distribution information, and a preset time domain relationship and a preset frequency domain relationship between the second synchronization block group and the control resource set, frequency domain distribution information and time domain distribution information of the control resource set; 
 determine the control resource set according to the frequency domain distribution information of the control resource set and the time domain distribution information of the control resource set; and 
 determine remaining key information according to control information in the control resource set. 
 
     
     
       17. The electronic device according to  claim 16 ,
 wherein the first synchronization block group carries a physical broadcast channel; and 
 wherein the physical broadcast channel carries the indication information. 
 
     
     
       18. The electronic device according to  claim 16 ,
 wherein the first synchronization block group carries a demodulation reference signal; and 
 wherein an orthogonal scrambling code of the demodulation reference signal is the indication information. 
 
     
     
       19. The electronic device according to  claim 16 , wherein the processor is further configured to determine, according to the indication information, the first frequency domain distribution information and the first time domain distribution information of the first synchronization block group in the first frequency sub-band. 
     
     
       20. A non-transitory computer readable storage medium, thereon having stored a computer program, wherein the program implements following steps when executed by a processor:
 receiving synchronization block groups in a frequency band in which information is transmitted, wherein the frequency band comprises a plurality of frequency sub-bands having a same width, each of the frequency sub-bands respectively corresponds to one synchronization block group, a time domain distribution of each synchronization block group is the same, and differences of frequencies corresponding to synchronization block groups in adjacent frequency sub-bands are the same; 
 determining, when a first synchronization block group is received, according to indication information in the first synchronization block group, a first frequency sub-band in which the first synchronization block group is located, and determining first frequency domain distribution information and first time domain distribution information of the first synchronization block group in the first frequency sub-band; 
 determining a second frequency sub-band in which a control resource set is located; 
 calculating a number of frequency sub-bands between the second frequency sub-band and the first frequency sub-band; 
 calculating, according to the number and a width of the frequency sub-bands, a quantity of frequency domain offset of a second synchronization block group in the second frequency sub-band relative to the first synchronization block group; 
 determining, according to the offset and the first frequency domain distribution information, second frequency domain distribution information of the second synchronization block group; 
 determining, according to the second frequency domain distribution information, the first time domain distribution information, and a preset time domain relationship and a preset frequency domain relationship between the second synchronization block group and the control resource set, frequency domain distribution information and time domain distribution information of the control resource set; 
 determining the control resource set according to the frequency domain distribution information of the control resource set and the time domain distribution information of the control resource set; and 
 determining remaining key information according to control information in the control resource set.